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4 years ago

EXTRA POINTS+ BRAINLIEST

Mathematics

2 answers:

MrRa [10]4 years ago

4 0

You can look at each Sample (basically each row) to compare the numbers and see which is biggest. In Sample 1, there are 30 kids who enjoy cartoons, and this is the largest number. Similarly, in Samples 3 and 4, the most students like cartoons. It is only in Sample 4 that the majority does not enjoy cartoons (although it is the second-highest number).

So, the answer is Cartoons.

alexgriva [62]4 years ago

3 0

Hey!

In almost all the samples, most of the students chose cartoons as their favorite type of television show. Therefore, your answer is cartoons.

Good luck and hope this helps! :)

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Olin [163]

It would be better to use Black Tie Affair when you rent the limo for 4-5 hours.

Anything more than that, Classy Elegance would cost less.

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3 years ago

What is the value of this expression when a = 3 and b = -2?

weqwewe [10]

The first step: Simplify the expression with:

$\dfrac{x^n}{x^m}=x^{n-m}\\\\(xy)^n=x^ny^n\\\\(x^n)^m=x^{nm}\\\\x^{-n}=\dfrac{1}{x^n}$

$\left(\dfrac{3a^{-2}b^6}{2a^{-1}b^5}\right)^2=\left(\dfrac{3}{2}a^{-2-(-1)}b^{6-5}\right)^2=\left(\dfrac{3}{2}a^{-1}b^1\right)^2\\\\=\left(\dfrac{3}{2}\right)^2(a^{-1})^2b^2=\dfrac{9}{4}a^{-2}b^2=\dfrac{9b^2}{4a^2}$

The second step: Put the values of a = 3 and b = -2 to the expression:

$\dfrac{9(-2)^2}{4(3)^2}=\dfrac{(9)(4)}{(4)(9)}=1$

<h2>Answer: 1</h2>

4 0

4 years ago

Read 2 more answers

If a multiple regression analysis is based on 10 independent variables collected from a sample of 125 observations, what is the

Anuta_ua [19.1K]

Answer: 114

Step-by-step explanation:

The value of the denominator in the calculation of the multiple standard error "MSSE' of estimate is given by "n-k-1 " , where n= Total observations , k = total independent variables such that $MSSE=\dfrac{SSE}{n-k-1}$

Given : A multiple regression analysis is based on 10 independent variables collected from a sample of 125 observations.

i.e. Total observations : n= 125

Total independent variables : k=10

Then, the value of the denominator in the calculation of the multiple standard error of estimate would be (125)-(10)-1 =114

Therefore , the value of the denominator in the calculation of the multiple standard error of estimate = 114 .

5 0

3 years ago

A factory packages 4,250 boxes of cereal. The number of oat cereal boxes is 715 more than the number of wheat cereal boxes. The

Dmitriy789 [7]

It is 2525 for sure because you solve equations to get that answer.

3 0

4 years ago

The length of the rectangle is x + 12. The width of the rectangle is x + 3. Please determine the area of the rectangle.

OverLord2011 [107]

Answer:

For part A, the product of (-5 + x)(x + 4) is equal to x^2 - x - 20. For part B, the product of -5 + x and x + 4 is not equal to the product of 5 + x and x - 4. And for part C the product of (3 + 5)(3^2 + 4 - 3) equals 70.

Step-by-step explanation:

I will tell you how I came up with those answers.

The product of (-5 + x)(x + 4) can be found using the<em> FOIL</em> method(First, Outer, Inner, Last).

Start with multiplying -5 and x. -5 * x = -5x.

Now multiply -5 and 4. -5 * 4 = -20.

Next, multiply x and x. x * x = x^2.

Finally, multiply x and 4. x * 4 = 4x.

And now it is time to simplify and change to standard form.

-5x - 20 + x^2 + 4x.

x^2 - 5x - 20 + 4x.

x^2 - 5x + 4x - 20.

x^2 - x - 20.

The final answer for part A is x^2 - x - 20.

For part B, the product of -5 + x and x + 4 is already known.

But now we need to figure out the product of 5 + x and x - 4.

We can use the FOIL method again to solve for the new product.

Start by multiplying 5 and x. 5 * x = 5x.

Next, multiply 5 and -4. 5 * -4 = -20.

Now multiply x and x. x * x = x^2.

Finally, multiply x and -4. x * -4 = -4x.

And now we can simplify and arrange the terms into standard form.

5x - 20 + x^2 - 4x.

x^2 + 5x - 20 - 4x.

x^2 + 5x - 4x - 20.

x^2 + x - 20.

The final answer for part B is that the products of

(-5 + x)(x + 4) and (5 + x)(x - 4) are not equivalent. They look similar except the difference between them is the "x" value. The x value of the first equation's product is -x while the x value of the second equation's product is x.

For part C, use the FOIL method as used in the last questions to find the answer.

2 * 3^2 = 2 * 9 = 18.

2 * 4 = 8.

2 * -3 = -6.

5 * 3^2 = 5 * 9 = 45.

5 * 4 = 20.

5 * -3 = -15.

Now combine the numbers to get the final answer for part C.

Follow PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition and Subtraction).

The only operations are subtraction and addition. The rule is the add before subtracting, but this does not always apply. For this being true, we only need to perform the first operation from the left side.

18 + 8 - 6 + 45 + 20 - 15.

26 - 6 + 45 + 20 - 15.

20 + 45 + 20 - 15.

65 + 20 - 15.

85 - 15.

70.

So the last answer to part C is 70.

Also the area of the rectangle is x^2 + 15x + 36. I forgot that part, my apologies.

3 0

3 years ago